#!/usr/bin/env python

import sys
sys.path.insert(0,'../')    #添加python脚本导包路径

#设置python 脚本的django环境
import os
if not os.getenv('DJANGO_SETTINGS_MODULE'):
    os.environ['DJANGO_SETTINGS_MODULE'] = 'meiduo_mall.settings.dev'

import django
django.setup()



from apps.contents.utils import get_categories
from apps.goods.utils import get_breadcrumb
from django.conf import settings
from django.template import loader
from apps.goods.models import SKU
# 生成静态详情页
def generate_static_sku_detail_html(sku):
    #查询商品频道
    categories = get_categories()
    #查询面包屑组件
    breadcrumb = get_breadcrumb(sku.category)
    # 构建当前商品的规格键
    sku_specs = sku.specs.order_by('spec_id')
    sku_key = []
    for spec in sku_specs:
        sku_key.append(spec.option.id)
    #获取当前商品的所有的sku
    skus = sku.spu.sku_set.all()
    # 构建不同规格参数（选项）的sku字典
    spec_sku_map = {}
    for s in skus:
        # 获取sku的规格参数
        s_specs = s.specs.order_by('spec_id')
        # 用于形成规格参数-sku字典的键
        key = []
        for spec in s_specs:
            key.append(spec.option.id)
        # 向规格参数-sku字典添加记录
        spec_sku_map[tuple(key)] = s.id
    # 获取当前商品的规格信息
    goods_specs = sku.spu.specs.order_by('id')
    # 若当前sku的规格信息不完整，则不再继续
    if len(sku_key) < len(goods_specs):
        return
    for index, spec in enumerate(goods_specs):
        # 复制当前sku的规格键
        key = sku_key[:]
        # 该规格的选项
        spec_options = spec.options.all()
        for option in spec_options:
            # 在规格参数sku字典中查找符合当前规格的sku
            key[index] = option.id
            option.sku_id = spec_sku_map.get(tuple(key))
        spec.spec_options = spec_options
    #渲染页面
    context = {
        'categories':categories,
        'breadcrumb':breadcrumb,
        'sku':sku,
        'specs':goods_specs
    }

    #获取详情页的末班文件
    template = loader.get_template('detail.html')
    #渲染详情页字符串
    html_text = template.render(context)
    #将详情页的字符串写入到指定目录
    file_path = os.path.join(settings.STATIC_GENERIC_HTML, 'detail/' + str(sku.id) + '.html')
    with open(file_path, 'w', encoding='utf-8') as f:
        f.write(html_text)

if __name__ == '__main__':
    skus = SKU.objects.all()
    for sku in skus:
        generate_static_sku_detail_html(sku)